diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | string/string.h | 149 | ||||
| -rw-r--r-- | string/strings.h | 61 |
3 files changed, 199 insertions, 18 deletions
diff --git a/ChangeLog b/ChangeLog index ef1118d660..dbed10ac06 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2009-01-30 Jakub Jelinek <jakub@redhat.com> + + * string/string.h (memchr, strchr, strrchr, strpbrk, strstr, index, + rindex): For C++ add inlines so that they can be recognized as + builtins. + * string/strings.h: Define correct C++ prototypes for gcc 4.4. + 2009-01-29 Ulrich Drepper <drepper@redhat.com> Jakub Jelinek <jakub@redhat.com> diff --git a/string/string.h b/string/string.h index 7f32a9a3d5..849255f75c 100644 --- a/string/string.h +++ b/string/string.h @@ -69,10 +69,27 @@ extern int memcmp (__const void *__s1, __const void *__s2, size_t __n) /* Search N bytes of S for C. */ #ifdef __CORRECT_ISO_CPP_STRING_H_PROTO -extern "C++" void *memchr (void *__s, int __c, size_t __n) +extern "C++" +{ +extern void *memchr (void *__s, int __c, size_t __n) __THROW __asm ("memchr") __attribute_pure__ __nonnull ((1)); -extern "C++" __const void *memchr (__const void *__s, int __c, size_t __n) +extern __const void *memchr (__const void *__s, int __c, size_t __n) __THROW __asm ("memchr") __attribute_pure__ __nonnull ((1)); + +# ifdef __OPTIMIZE__ +__extern_always_inline void * +memchr (void *__s, int __c, size_t __n) __THROW +{ + return __builtin_memchr (__s, __c, __n); +} + +__extern_always_inline __const void * +memchr (__const void *__s, int __c, size_t __n) __THROW +{ + return __builtin_memchr (__s, __c, __n); +} +# endif +} #else extern void *memchr (__const void *__s, int __c, size_t __n) __THROW __attribute_pure__ __nonnull ((1)); @@ -191,20 +208,54 @@ extern char *strndup (__const char *__string, size_t __n) __BEGIN_NAMESPACE_STD /* Find the first occurrence of C in S. */ #ifdef __CORRECT_ISO_CPP_STRING_H_PROTO -extern "C++" char *strchr (char *__s, int __c) +extern "C++" +{ +extern char *strchr (char *__s, int __c) __THROW __asm ("strchr") __attribute_pure__ __nonnull ((1)); -extern "C++" __const char *strchr (__const char *__s, int __c) +extern __const char *strchr (__const char *__s, int __c) __THROW __asm ("strchr") __attribute_pure__ __nonnull ((1)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strchr (char *__s, int __c) __THROW +{ + return __builtin_strchr (__s, __c); +} + +__extern_always_inline __const char * +strchr (__const char *__s, int __c) __THROW +{ + return __builtin_strchr (__s, __c); +} +# endif +} #else extern char *strchr (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); #endif /* Find the last occurrence of C in S. */ #ifdef __CORRECT_ISO_CPP_STRING_H_PROTO -extern "C++" char *strrchr (char *__s, int __c) +extern "C++" +{ +extern char *strrchr (char *__s, int __c) __THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1)); -extern "C++" __const char *strrchr (__const char *__s, int __c) +extern __const char *strrchr (__const char *__s, int __c) __THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strrchr (char *__s, int __c) __THROW +{ + return __builtin_strrchr (__s, __c); +} + +__extern_always_inline __const char * +strrchr (__const char *__s, int __c) __THROW +{ + return __builtin_strrchr (__s, __c); +} +# endif +} #else extern char *strrchr (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); @@ -236,21 +287,55 @@ extern size_t strspn (__const char *__s, __const char *__accept) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence in S of any character in ACCEPT. */ #ifdef __CORRECT_ISO_CPP_STRING_H_PROTO -extern "C++" char *strpbrk (char *__s, __const char *__accept) +extern "C++" +{ +extern char *strpbrk (char *__s, __const char *__accept) __THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2)); -extern "C++" __const char *strpbrk (__const char *__s, __const char *__accept) +extern __const char *strpbrk (__const char *__s, __const char *__accept) __THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strpbrk (char *__s, __const char *__accept) __THROW +{ + return __builtin_strpbrk (__s, __accept); +} + +__extern_always_inline __const char * +strpbrk (__const char *__s, __const char *__accept) __THROW +{ + return __builtin_strpbrk (__s, __accept); +} +# endif +} #else extern char *strpbrk (__const char *__s, __const char *__accept) __THROW __attribute_pure__ __nonnull ((1, 2)); #endif /* Find the first occurrence of NEEDLE in HAYSTACK. */ #ifdef __CORRECT_ISO_CPP_STRING_H_PROTO -extern "C++" char *strstr (char *__haystack, __const char *__needle) +extern "C++" +{ +extern char *strstr (char *__haystack, __const char *__needle) __THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2)); -extern "C++" __const char *strstr (__const char *__haystack, - __const char *__needle) +extern __const char *strstr (__const char *__haystack, + __const char *__needle) __THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strstr (char *__haystack, __const char *__needle) __THROW +{ + return __builtin_strstr (__haystack, __needle); +} + +__extern_always_inline __const char * +strstr (__const char *__haystack, __const char *__needle) __THROW +{ + return __builtin_strstr (__haystack, __needle); +} +# endif +} #else extern char *strstr (__const char *__haystack, __const char *__needle) __THROW __attribute_pure__ __nonnull ((1, 2)); @@ -377,10 +462,27 @@ extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) /* Find the first occurrence of C in S (same as strchr). */ # ifdef __CORRECT_ISO_CPP_STRING_H_PROTO -extern "C++" char *index (char *__s, int __c) +extern "C++" +{ +extern char *index (char *__s, int __c) __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); -extern "C++" __const char *index (__const char *__s, int __c) +extern __const char *index (__const char *__s, int __c) __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); + +# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO +__extern_always_inline char * +index (char *__s, int __c) __THROW +{ + return __builtin_index (__s, __c); +} + +__extern_always_inline __const char * +index (__const char *__s, int __c) __THROW +{ + return __builtin_index (__s, __c); +} +# endif +} # else extern char *index (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); @@ -388,10 +490,27 @@ extern char *index (__const char *__s, int __c) /* Find the last occurrence of C in S (same as strrchr). */ # ifdef __CORRECT_ISO_CPP_STRING_H_PROTO -extern "C++" char *rindex (char *__s, int __c) +extern "C++" +{ +extern char *rindex (char *__s, int __c) __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); -extern "C++" __const char *rindex (__const char *__s, int __c) +extern __const char *rindex (__const char *__s, int __c) __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); + +# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO +__extern_always_inline char * +rindex (char *__s, int __c) __THROW +{ + return __builtin_rindex (__s, __c); +} + +__extern_always_inline __const char * +rindex (__const char *__s, int __c) __THROW +{ + return __builtin_rindex (__s, __c); +} +#endif +} # else extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); diff --git a/string/strings.h b/string/strings.h index 3ba2b04c8e..0db756ae56 100644 --- a/string/strings.h +++ b/string/strings.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991,92,96,97,99,2000,2001 Free Software Foundation, Inc. +/* Copyright (C) 1991,92,96,97,99,2000,2001,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -28,6 +28,11 @@ # define __need_size_t # include <stddef.h> +/* Tell the caller that we provide correct C++ prototypes. */ +# if defined __cplusplus && __GNUC_PREREQ (4, 4) +# define __CORRECT_ISO_CPP_STRINGS_H_PROTO +# endif + __BEGIN_DECLS /* Compare N bytes of S1 and S2 (same as memcmp). */ @@ -45,10 +50,60 @@ extern void bzero (void *__s, size_t __n) __THROW; extern int ffs (int __i) __THROW __attribute__ ((const)); /* Find the first occurrence of C in S (same as strchr). */ -extern char *index (__const char *__s, int __c) __THROW __attribute_pure__; +# ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO +extern "C++" +{ +extern char *index (char *__s, int __c) + __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); +extern __const char *index (__const char *__s, int __c) + __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); + +# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRING_H_PROTO +__extern_always_inline char * +index (char *__s, int __c) __THROW +{ + return __builtin_index (__s, __c); +} + +__extern_always_inline __const char * +index (__const char *__s, int __c) __THROW +{ + return __builtin_index (__s, __c); +} +# endif +} +# else +extern char *index (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); +# endif /* Find the last occurrence of C in S (same as strrchr). */ -extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__; +# ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO +extern "C++" +{ +extern char *rindex (char *__s, int __c) + __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); +extern __const char *rindex (__const char *__s, int __c) + __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); + +# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRING_H_PROTO +__extern_always_inline char * +rindex (char *__s, int __c) __THROW +{ + return __builtin_rindex (__s, __c); +} + +__extern_always_inline __const char * +rindex (__const char *__s, int __c) __THROW +{ + return __builtin_rindex (__s, __c); +} +#endif +} +# else +extern char *rindex (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); +# endif /* Compare S1 and S2, ignoring case. */ extern int strcasecmp (__const char *__s1, __const char *__s2) |